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Drupady [299]
2 years ago
15

Precal unit 4 sample work-

Mathematics
1 answer:
miv72 [106K]2 years ago
4 0

Answer:

  (3√26, 0)

Step-by-step explanation:

Finish your work by evaluating the sine and cosine. The imaginary part corresponds to the y-coordinate in (x, y) form.

  3√26(cos(360°) +i·sin(360°)) = 3√26(1 +0i)

In rectangular form, that is ...

  (3√26, 0)

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Isla flipped a coin 30 times. The coin landed heads up 9 times and tails up 21 times.
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Answer:

both are equal

Step-by-step explanation:

there are two side tails and heads so there a 1/2 chance it will land on heads

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3 years ago
Mikaela purchased a paddleboard originally priced at $699. If all merchandise was on sale for 40% off and the state tax rate is
vitfil [10]

Answer:

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Step-by-step explanation:

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Which of these functions has an inverse function? Select all that apply.
Goshia [24]
So we want to know which of the following functions has an inverse function. So an inverse function is a function that "reverses" another function. We need to put y instead of x and x instead of y. So for the first case: y=x is x=y so this function has an inverse function. y=x^2 is x=y^2 so y=sqrt(x). y=x^3 is x=y^3 so y=∛x. y=x^4 so x=y^4, y=4√x or forth root of x. So all of our functions have an inverse function. 
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3 years ago
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iragen [17]
A:line and a prism.
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5 0
3 years ago
Please help me please please : ( : (
Gala2k [10]

Answer:

They will be picked up at 2 \frac{1}{4} yards above sea level

Step-by-step explanation:

Let us consider sea level as reference and positions above sea level as positive and below sea level as negative.

With respect to this reference,

the position of top most point is +17 \frac{3}{4} yards

and the position of lower most point is -13 \frac{1}{4} yards

⇒ The position of midpoint is \frac{+17 \frac{3}{4} - 13 \frac{1}{4}}{2}

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∴ <u>They will be picked up at 2 \frac{1}{4} yards above sea level</u>

6 0
3 years ago
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